@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #0b0f19;
    --text-color: #f1f5f9;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --glass-bg: rgba(30, 41, 59, 0.5);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.25);
    --success-color: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-color);
    min-height: 100vh;
    padding: 16px;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 8px 32px var(--glass-shadow);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    font-size: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
}

header h2 {
    font-size: 18px;
    font-weight: 600;
}

.subtitle {
    font-size: 12px;
    color: #94a3b8;
}

.header-stats {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Tabs */
.tabs-nav {
    display: flex;
    background: rgba(15, 23, 42, 0.4);
    border-radius: 12px;
    padding: 4px;
    border: 1px solid var(--glass-border);
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: #94a3b8;
    padding: 10px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: var(--glass-bg);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Tab Content */
.tab-content {
    display: none;
    flex-direction: column;
    gap: 16px;
}

.tab-content.active {
    display: flex;
}

.section-title h3 {
    font-size: 15px;
    font-weight: 500;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Channels List */
.channels-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.channel-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.3s ease;
}

.channel-card:hover {
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.7);
}

.channel-meta h4 {
    font-size: 15px;
    font-weight: 600;
}

.channel-status {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
}

.status-active { background: rgba(16, 185, 129, 0.1); color: var(--success-color); border: 1px solid rgba(16, 185, 129, 0.2); }
.status-paused { background: rgba(245, 158, 11, 0.1); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.2); }
.status-error { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); border: 1px solid rgba(239, 68, 68, 0.2); }

/* Settings Card */
.settings-card {
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 12px;
}

.close-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 20px;
    cursor: pointer;
}

/* Form Groups */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

label {
    font-size: 14px;
    font-weight: 500;
}

textarea, input[type="text"] {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-color);
    padding: 10px 12px;
    font-size: 14px;
    outline: none;
    transition: border 0.3s ease;
    width: 100%;
}

textarea {
    resize: none;
    height: 80px;
}

textarea:focus, input[type="text"]:focus {
    border-color: var(--primary-color);
}

.tip {
    font-size: 11px;
    color: #64748b;
}

/* Toggles */
.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.toggle-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toggle-switch {
    appearance: none;
    width: 44px;
    height: 24px;
    background: #334155;
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s ease;
    border: 1px solid var(--glass-border);
}

.toggle-switch:checked {
    background: var(--success-color);
}

.toggle-switch::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toggle-switch:checked::before {
    transform: translateX(20px);
}

/* Slider */
.slider-group input[type="range"] {
    appearance: none;
    width: 100%;
    height: 6px;
    background: #334155;
    border-radius: 3px;
    outline: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Buttons */
.action-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.action-btn:hover {
    background: var(--primary-hover);
}

.danger-btn {
    background: var(--danger-color);
}

.danger-btn:hover {
    background: var(--danger-hover);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.metric-card {
    text-align: center;
    padding: 12px;
}

.metric-label {
    font-size: 11px;
    color: #94a3b8;
    margin-bottom: 4px;
}

.metric-card h3 {
    font-size: 18px;
    font-weight: 700;
}

.loading-text {
    text-align: center;
    color: #64748b;
    padding: 24px;
}